Accident Hiller UH-12E N4028M,
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ASN Wikibase Occurrence # 131937
 
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Date:Sunday 18 July 1993
Time:17:30 LT
Type:Silhouette image of generic UH12 model; specific model in this crash may look slightly different    
Hiller UH-12E
Owner/operator:Bonanza Valley Aviation
Registration: N4028M
MSN: 5094
Total airframe hrs:5142 hours
Engine model:Lycoming VO-540-C2A
Fatalities:Fatalities: 0 / Occupants: 1
Aircraft damage: Destroyed
Category:Accident
Location:Milbank, SD -   United States of America
Phase: Taxi
Nature:Agricultural
Departure airport:(1D1)
Destination airport:
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
THE PILOT STATED HE HEARD A BANG DURING HOVER FOR LANDING AND THE HELICOPTER BEGAN SPINNING. THE AIRCRAFT STRUCK OBSTACLES NEAR THE LANDING AREA AS IT SETTLED TO GROUND, ROLLED AND BURNED. THE FAA INSPECTOR WHO EXAMINED THE WRECKAGE SAID THE IMPACT DAMAGE AND POST CRASH FIRE WAS SO SEVERE HE WAS UNABLE TO DISCOVER ANY PRE-IMPACT MECHANICAL MALFUNCTION.

Probable Cause: UNDETERMINED

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: CHI93DTK02
Status: Investigation completed
Duration: 1 year and 5 months
Download report: Final report

Sources:

NTSB CHI93DTK02

Location

Revision history:

Date/timeContributorUpdates
21-Dec-2016 19:25 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]
10-Apr-2024 12:29 ASN Update Bot Updated [Time, Other fatalities, Phase, Departure airport, Source, Narrative, Category, Accident report]

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